main{
    >.active{
        position: fixed;
        top: 0;
        z-index: 9;
        
    }
    .banner{
        position: relative;
        img{
            width: 100%;
            height: 560px;
            object-fit: cover;
        }
        .cout_box{
            position: absolute;
            left: 165px;
            top:230px;
            line-height: 50px;
            color: white;
        }
    }
    .classification_box{
        width: 100%;
        padding-top: 50px;
        background-color: white;
        ul{
            list-style: none;
            display: flex;
            li{
                width: 220px;
                border-bottom: 1px solid black;
                margin-right: 85px;
                text-align: center;
                line-height: 70px;
                cursor: pointer;
            }
            li.active{
                border-bottom: 2px solid rgb(18, 150, 219);
                color: rgb(18, 150, 219);
            }
        }
    }
    .product_list{
        background-color: rgb(251, 251, 251);
        padding-top: 50px;
        box-shadow: 0 2px 2px 2px rgba(236, 236, 236, 0.5) inset;
        >div{
           
            >.active{
                position: fixed;
                top:150px
            }
            .tag{
                float: left;
                margin-right: 75px;
                ul{
                    list-style: none;
                    padding-top: 95px;
                    border-left: 1px dashed;
                    height: 340px;
                    display: flex;
                    flex-direction: column;
                    justify-content: space-between;
                    li{
                        display: flex;
                        margin-left: -13.5px;
                        line-height: 55px;
                        z-index: 2;
                        cursor: pointer;
                        p{
                            width: 185px;
                            height: 55px;
                            background-color: rgb(246, 246, 246);
                            padding-left: 12px;
                        }
                        span{
                            display: inline-block;
                            width: 25px;
                            height: 25px;
                            border: 1px solid rgb(210, 210, 210);
                            background-color: white;
                            border-radius: 50%;
                            margin: 12px 10px 0 0;
                        }
                        .active{
                            background-color: rgb(18, 150, 219);
                            color: white;
                        }
                    }
                }
           }
           .right_list{
            float: right;
                ul{
                    list-style: none;
                    li{
                        display: flex;
                        padding: 60px;
                        box-shadow: 2px 2px 2px 2px rgba(230, 230, 230, 1);
                        margin-bottom: 50px;
                        >div{
                            width: 765px;
                            p{
                                margin-bottom: 50px;                       
                            }
                            .txt_count{
                                text-indent:2em
                            }
                            a{
                                display: block;
                                text-align: center;
                                line-height: 50px;
                                width: 160px;
                                height: 50px;
                                background-color: rgb(18, 150, 219);
                                border-radius: 4px;
                                color: white;
                                cursor: pointer;
                                text-decoration: none;
                            }
                        }
                        img{
                            height: 250px;
                            margin: 30px 0 0 50px;
                        }
                    }
                }
           }
        }
    }
}